Read moreShow less
In a seven-year trial a Pyrus x michauxii was developed by the Company ViruTherm, Rheinstetten, Germany. It was selected in 2014 and came to market in 2019 with the clones being virus-free which can thus be certified.
It is resistant to pear decline, do not show any pH-related chlorosis and is compatible with all pear varieties and it is undemanding.
ViruTherm-1 has roots that are fine with a fibrous root system, it is approx. 20% weaker than a seedling.
The growth strength is weak to medium. Yield is quite high with early fruiting
This is in trial in our orchard.
This rootstock is patented and may not be reproduced without permission of the patent holder.